55P:2/56~57P:21453/12주관식2/58~63P:4,1/3hS,(3/n,3k/n,3k/n,k,n(n+1)/2),5,3,1,1,4,4,1/3,13 64~65p:33223/34 주관식-1/3
[무물보AI] 답변 로딩중...